Cov txheej txheem:
- Kauj Ruam 1: Txheeb Xyuas Koj Lub Zog Xav Tau thiab Cater rau Lawv
- Kauj Ruam 2: Tshem Tawm Koj Lub Ntaus, thiab Txheeb Xyuas Qhov Chaw Koj Yuav Txuas Koj Lub Hwj Chim
- Kauj Ruam 3: Tsim Lub Hwj Huv Huv
- Kauj Ruam 4: Daim Ntawv Txiav Txim Siab
- Kauj Ruam 5: Kev Xeem thiab Rov Sib Dua
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:27
Ib tus phooj ywg coj kuv lub teeb ci lub npas khoom ua si rau kuv, thiab nug yog tias kuv tuaj yeem ua rau nws los ntawm lub zog siv hluav taws xob ntau dua, vim tias ib txwm hloov cov roj teeb yog qhov mob thiab ib puag ncig tsis zoo. Nws khiav tawm 2 x AA roj teeb (3v tag nrho).
Kuv hais rau nws tias kuv paub tseeb tias kuv tuaj yeem ua tau. Kuv tau sim ob peb yam, uas kuv yuav hais txog, tab sis tuaj txog ntawm qhov kev daws teeb meem yooj yim tshaj plaws uas yog ob peb kauj ruam tom ntej yog hais txog.
Qhov no yuav yog Kev Qhia Ceev.
Kauj Ruam 1: Txheeb Xyuas Koj Lub Zog Xav Tau thiab Cater rau Lawv
Koj lub cuab yeej siv pes tsawg lub roj teeb? Lawv yog cov roj teeb twg?
Hauv kuv qhov xwm txheej, nws yog 2 x AA roj teeb, txhua ntawm 1.5v thaum ua tiav. Qhov no sib npaug rau 3v lub zog xav tau. Nrhiav lub zog 3v tsis yooj yim. Kuv tsis tau mus nrhiav yuav ib, tsuas yog mus hla lub thawv ntawm cov khoom siv hluav taws xob qub.
Kauj Ruam 2: Tshem Tawm Koj Lub Ntaus, thiab Txheeb Xyuas Qhov Chaw Koj Yuav Txuas Koj Lub Hwj Chim
Kuv tau cais tus dev, thiab pom nws muaj ntau yam khoom siv hluav taws xob ntau tshaj qhov xav tau. Kuv xav tias nws tsuas yog muaj roj teeb txuas rau lub hloov pauv thiab LEDs.
Xijpeem, sab hauv nws muaj lub rooj sib tham hauv Circuit Court, thiab cov roj teeb txuas nrog kom meej meej rau B+ thiab B- tso rau ntawm lub rooj tsav xwm. Nov yog qhov koj yuav xav txuas koj cov xov tooj zoo thiab tsis zoo los ntawm koj lub zog siv.
Kauj Ruam 3: Tsim Lub Hwj Huv Huv
Kuv yuav tsum tau hloov kho lub zog 5v, Kuv xav tias, thiab tau mus txog qhov ua li ntawd, sim faib cov hluav taws xob ua ntej nrog lub diode rau qhov poob qis.
Lub hom phiaj tsis tiav. Kuv tab tom kwv yees vim tias qhov kev txiav txim siab tam sim no nws tsis ua haujlwm tsuas yog dhau los ntawm qhov faib hluav taws xob ntau dua li ua kom tus dev.
Kuv tau txhawj xeeb tias kuv tuaj yeem ua rau tus dev puas tsuaj, vim nws tau siv luv luv ua ntej yuav tuag dua, yog li kuv tau rub tawm lub khob cij rau lub hwj huam mov los ntsuas nws. Kuv teeb lub zog hluav taws xob hloov mus rau 3.3v, thiab siv qhov hluav taws xob rau lub rooj tsav xwm hauv Circuit Court thiab, nyob zoo! - nws ua haujlwm…
Tom qab ntawd kuv tau xav tsis zoo … kuv puas tuaj yeem thov 5v? muaj ntau 5v cov khoom siv hluav taws xob ntawm kuv qhov pov tseg … Kuv tau sim nws thiab ib zaug ntxiv tau ntsib nrog kev ua tiav.
Kuv tsis tau hais tias koj yuav tsum ua qhov no! Tab sis, yam uas siv roj teeb tsis zoo li qhov tseeb ntawm qhov lawv tau txais, vim tias (alkaline) cov roj teeb xoob voltage raws li lawv tau siv.
Yeej tsis liam kuv yog tias koj kib qee yam - tab sis hauv kuv qhov kev daws teeb meem no zoo meej
Kauj Ruam 4: Daim Ntawv Txiav Txim Siab
Kuv xav kom kuv tus phooj ywg tuaj yeem ntsaws qhov no thiab ntsaws nws ntawm tus dev, tsis yog ntawm lub qhov hluav taws xob ntawm phab ntsa, yog li kuv xav tias kuv yuav muab nws rau tus poj niam jack ntawm yam thiab lub hwj chim yuav txiav nrog txiv neej jack. Ua qhov no ntawm qhov pheej yig Kuv pom cov xov hluav taws xob xaus rau ob qho tib si RCA poj niam thiab txiv neej.
Thaum tab tom nrhiav 5v lub zog xa khoom Kuv yuav tsis zoo li yuav siv dua, Kuv paub tias kuv tsuas tuaj yeem siv USB cable, vim txhua lub chaw nres nkoj USB yuav muab 5v. Tam sim no nws tseem tuaj yeem siv lub txhab nyiaj roj teeb rau nws lub zog, lossis AA roj teeb (kuv lub xov tooj thiab lub xov tooj tsis cuam tshuam nrog cov roj teeb qub), lossis lub xov tooj ntawm tes them nyiaj …. koj tau txais cov ntsiab lus. Yeej tam sim no nws tuaj yeem siv los ntawm ib qho chaw nres nkoj USB.
Kuv mam li pom lub xov tooj USB qub uas Yuav tsum muaj thaum xub thawj muaj 2 USB ntsaws rau lawv tab sis ib qho tau raug txiav tawm. Zoo meej, kuv xav. Txawm tias tuaj yeem siv USB cable rau nws lub hom phiaj qub, yog tias koj xav tau.
Sab hauv USB cable koj yuav pom tsawg kawg yog cov xaim liab thiab dub (koj tuaj yeem txiav tawm thiab tsis quav ntsej lwm qhov xov hlau - txiav lawv lossis lwm yam). Cov xov hlau liab thiab dub no yog koj li 5v thiab lub ntiaj teb thiab yuav pab txhawb koj lub cuab yeej.
Sab hauv RCA cov xov hluav taws xob (koj yuav tsum xaiv siv lawv, vim tias lawv muaj ntau thiab HDMI tab tom tua lawv cov tsiaj ib yam nkaus) koj yuav pom cov xov hlau thiab cov hlau thaiv. Cov xaim tuaj yeem yog xim liab, thiab yog li kuv tau siv nws rau qhov zoo thiab muab nws txuas rau cov hlau liab los ntawm kuv USB cable. Cov ntaub thaiv npog tau ua kom dub. Kuv siv heatshrink cais cov kab hluav taws xob los ntawm ib leeg thiab cov cua sov loj dua nyob rau sab saum toj ntawm kev sib koom tes. Koj tuaj yeem siv daim kab xev hluav taws xob, tab sis heatshrink zoo nkauj heev.
Tus poj niam RCA xaim tau txuas ncaj qha mus rau lub rooj tsav xwm uas tsis cuam tshuam nrog tus qauv tsim thawj, yog li nws tuaj yeem siv AA roj teeb ntxiv yog tias nws xav tau. Cov xov hlau mus rau B+ taw tes tau muab txuas rau PCB thiab daim hlau thaiv tau muab txuas rau B-point.
Kauj Ruam 5: Kev Xeem thiab Rov Sib Dua
Nrog txhua qhov ntawd, txoj kev ntsuas ib txwm pom zoo ua ntej rov ua dua ib yam dab tsi.
Yog tias nws ua haujlwm, mus tom ntej thiab rov sib sau ua ke. Kuv txuas tus xov tooj RCA cable kom nws tsis yanked tawm ntawm PCB.
Yog tias nws tsis ua haujlwm, rov qab los thiab txheeb xyuas vim li cas thiab ua kom nws ua haujlwm. Ntuj raug txim, xyuas kom nws tau ntsaws;)
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